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来源:百度知道 编辑:UC知道 时间:2024/08/22 18:59:48
结果表明,筛选酵母在30℃、PH6.5、蔗糖浓度2%、装液量在100ml/250ml的条件下生长较优。其中温度为影响生物量的主要因素。通过对酵母生长曲线的测定得出筛选酵母的对数生长期在6~16h,之后逐渐达到稳定期。利用血细胞计数板方法对在优化条件下培养48h的酵母菌进行计数含酵母1.09×1010。与市售酵母的菌含量相比基本一致。
The results showed that screening yeast in 30 ℃, PH6.5, sucrose concentration of 2%, the volume of liquid under the conditions in 100ml/250ml better growth. Which affect the temperature of the biomass of the main factors. Through the determination of yeast growth curve drawn screening yeast logarithmic phase in 6 ~ 16h, after a view to gradually achieve stability. Plate method using blood cell count in the optimum conditions for cultivating 48h yeast containing yeast count 1.09 × 1010. Yeast and bacteria content in the market compared to the basic line.